<template>
    <div>
        <input id="uploadBtn" type="file" @change="loadExcel" />
        <span>Or Load remote xlsx file:</span>
        <select v-model="selected" @change="selectExcel">
            <option disabled value="">Choose</option>
            <option v-for="option in options" :key="option.text" :value="option.value">
                {{ option.text }}
            </option>
        </select>

        <a href="javascript:void(0)" @click="downloadExcel">下载</a>
    </div>
    <div id="luckysheet"></div>
    <div v-show="isMaskShow" id="tip">loading....</div>
</template>

<script setup name="luckyexcel">
import { ref, onMounted } from 'vue'
import { exportExcel } from './export'
import LuckyExcel from 'luckyexcel'

const isMaskShow = ref(false)
const selected = ref('')
const jsonData = ref({})
const options = ref([
    { text: 'Money Manager.xlsx', value: 'https://minio.cnbabylon.com/public/luckysheet/money-manager-2.xlsx' },
    {
        text: 'Activity costs tracker.xlsx',
        value: 'https://minio.cnbabylon.com/public/luckysheet/Activity%20costs%20tracker.xlsx'
    },
    {
        text: 'House cleaning checklist.xlsx',
        value: 'https://minio.cnbabylon.com/public/luckysheet/House%20cleaning%20checklist.xlsx'
    },
    {
        text: 'Student assignment planner.xlsx',
        value: 'https://minio.cnbabylon.com/public/luckysheet/Student%20assignment%20planner.xlsx'
    },
    {
        text: 'Credit card tracker.xlsx',
        value: 'https://minio.cnbabylon.com/public/luckysheet/Credit%20card%20tracker.xlsx'
    },
    { text: 'Blue timesheet.xlsx', value: 'https://minio.cnbabylon.com/public/luckysheet/Blue%20timesheet.xlsx' },
    {
        text: 'Student calendar (Mon).xlsx',
        value: 'https://minio.cnbabylon.com/public/luckysheet/Student%20calendar%20%28Mon%29.xlsx'
    },
    {
        text: 'Blue mileage and expense report.xlsx',
        value: 'https://minio.cnbabylon.com/public/luckysheet/Blue%20mileage%20and%20expense%20report.xlsx'
    }
])

const loadExcel = (evt) => {
    const files = evt.target.files
    if (files == null || files.length == 0) {
        alert('No files wait for import')
        return
    }

    let name = files[0].name
    let suffixArr = name.split('.'),
        suffix = suffixArr[suffixArr.length - 1]
    if (suffix != 'xlsx') {
        alert('Currently only supports the import of xlsx files')
        return
    }
    LuckyExcel.transformExcelToLucky(files[0], function (exportJson, luckysheetfile) {
        if (exportJson.sheets == null || exportJson.sheets.length == 0) {
            alert('Failed to read the content of the excel file, currently does not support xls files!')
            return
        }
        console.log('exportJson', exportJson)
        jsonData.value = exportJson

        window.luckysheet.destroy()

        window.luckysheet.create({
            container: 'luckysheet', //luckysheet is the container id
            showinfobar: false,
            data: exportJson.sheets,

            title: exportJson.info.name,
            userInfo: exportJson.info.name.creator
        })
    })
}
const selectExcel = (evt) => {
    const value = selected.value
    const name = evt.target.options[evt.target.selectedIndex].innerText

    if (value == '') {
        return
    }
    isMaskShow.value = true

    LuckyExcel.transformExcelToLuckyByUrl(value, name, (exportJson, luckysheetfile) => {
        if (exportJson.sheets == null || exportJson.sheets.length == 0) {
            alert('Failed to read the content of the excel file, currently does not support xls files!')
            return
        }
        console.log('exportJson', exportJson)
        jsonData.value = exportJson

        isMaskShow.value = false
        window.luckysheet.destroy()

        window.luckysheet.create({
            container: 'luckysheet', //luckysheet is the container id
            showinfobar: false,
            data: exportJson.sheets,
            title: exportJson.info.name,
            userInfo: exportJson.info.name.creator
        })
    })
}
const downloadExcel = () => {
    // const value = selected.value;;
    //
    // if(value.length==0){
    //     alert("Please select a demo file");
    //     return;
    // }
    //
    // var elemIF = document.getElementById("Lucky-download-frame");
    // if(elemIF==null){
    //     elemIF = document.createElement("iframe");
    //     elemIF.style.display = "none";
    //     elemIF.id = "Lucky-download-frame";
    //     document.body.appendChild(elemIF);
    // }
    // elemIF.src = value;
    exportExcel(luckysheet.getAllSheets(), '下载')
}

// !!! create luckysheet after mounted
onMounted(() => {
    luckysheet.create({
        container: 'luckysheet',
        lang: 'zh',
    })
})
</script>

<style  scoped>
#luckysheet {
    margin: 0px;
    padding: 0px;
    width: 100%;
    height: 100%;
}

#uploadBtn {
    font-size: 16px;
}

#tip {
    align-items: center;
    justify-content: center;
    display: flex;
}
</style>
